Pith Number

pith:56LWGFLV

pith:2025:56LWGFLVBQGC52WPYGXRJORW23

not attested not anchored not stored refs pending

Algorithm Adaptation Bias in Recommendation System Online Experiments

Chen Zheng, Zhenyu Zhao

arxiv:2509.00199 v1 · 2025-08-29 · cs.IR · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{56LWGFLVBQGC52WPYGXRJORW23}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T12:02:11.127066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef976315750c0c2eeacfc1af14ba36d6fecda891c973a59dc04da6537e182c3c

Aliases

arxiv: 2509.00199 · arxiv_version: 2509.00199v1 · doi: 10.48550/arxiv.2509.00199 · pith_short_12: 56LWGFLVBQGC · pith_short_16: 56LWGFLVBQGC52WP · pith_short_8: 56LWGFLV

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/56LWGFLVBQGC52WPYGXRJORW23 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ef976315750c0c2eeacfc1af14ba36d6fecda891c973a59dc04da6537e182c3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24aeca2fc0eed37d7cd1240c661c5db07850facd7bbd928492091e415dcff26d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-08-29T19:23:04Z",
    "title_canon_sha256": "ad33eb1e66610e6c888ceebd5d43ac44ff052c7699e3c80fb00ba53cf20d6e55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.00199",
    "kind": "arxiv",
    "version": 1
  }
}